387581468 has 24 divisors (see below), whose sum is σ = 701374464. Its totient is φ = 187210800.

The previous prime is 387581459. The next prime is 387581473. The reversal of 387581468 is 864185783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77813 + ... + 82643.

It is an arithmetic number, because the mean of its divisors is an integer number (29223936).

Almost surely, 2^387581468 is an apocalyptic number.

It is an amenable number.

387581468 is a deficient number, since it is larger than the sum of its proper divisors (313792996).

387581468 is a wasteful number, since it uses less digits than its factorization.

387581468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513 (or 5511 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The square root of 387581468 is about 19687.0888655484. The cubic root of 387581468 is about 729.1009561480.

The spelling of 387581468 in words is "three hundred eighty-seven million, five hundred eighty-one thousand, four hundred sixty-eight".